CN211785905U

CN211785905U - Voltage-withstanding testing device

Info

Publication number: CN211785905U
Application number: CN202020219534.4U
Authority: CN
Inventors: 舒乐
Original assignee: Dongguan Shenzhen Communication Information Technology Co ltd
Current assignee: Dongguan Shenzhen Communication Information Technology Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-10-27
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a withstand voltage testing device, which comprises a shell, a protection plate, a limiting block and an elastic part for resetting the limiting block; the protection plate is provided with a through hole, and the limiting block is arranged in the through hole in a penetrating mode; one end of the limiting block penetrating through the protection plate is provided with a clamping block, and the other end of the limiting block is provided with a clamping block used for fastening the protection plate; the elastic piece comprises a first abutting end and a second abutting end, the first abutting end is fixedly arranged on the limiting block, and the second abutting end is fixedly arranged on the protection plate; the shell is correspondingly provided with a clamping groove for accommodating the clamping block, and the width A of the notch of the clamping groove is not less than the side width B of the clamping block. The utility model discloses a rotatory lock piece can be accomplished fast to guard plate dismouting process, has avoided the step of searching for the instrument, screwing or loosening the bolt, subtracts the weak point test preparation time, has improved withstand voltage testing arrangement's work efficiency.

Description

Voltage-withstanding testing device

Technical Field

The utility model relates to a voltage test technical field especially relates to a withstand voltage testing arrangement.

Background

The withstand voltage test device is an instrument for detecting and testing the resistance performance of various electrical equipment, insulating materials, insulating structures and the like.

In the prior art, the protection plate is fixed on the main body through a plurality of bolts. When the protection plate is disassembled, a disassembling tool needs to be found first, and then the bolts are disassembled one by one through the disassembling tool; similarly, when the protection plate is installed, a disassembling tool needs to be held by hand, and then bolts are fastened on the ground one by one. The process of dismouting guard plate is comparatively loaded down with trivial details, very big influence withstand voltage testing arrangement's work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a withstand voltage testing arrangement accelerates the speed of installing and removing to the guard plate to improve withstand voltage testing arrangement's work efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

a withstand voltage testing device comprises a shell, a protection plate, a limiting block and an elastic piece for resetting the limiting block;

the protection plate is provided with a through hole, and the limiting block is arranged in the through hole in a penetrating mode; one end of the limiting block, penetrating through the protection plate, is provided with a clamping block, and the other end of the limiting block is provided with a clamping block used for clamping the protection plate;

the elastic piece comprises a first abutting end and a second abutting end, the first abutting end is fixedly arranged on the limiting block, and the second abutting end is fixedly arranged on the protection plate;

the shell is correspondingly provided with a clamping groove for accommodating the clamping block, and the width A of the notch of the clamping groove is not less than the side width B of the clamping block.

Optionally, the stopper includes a rotating portion inserted into the through hole, the elastic member is a torsion spring, and the first torsion spring is sleeved on the rotating portion; the rotating part is provided with a first limiting groove, and a second limiting groove is arranged in the through hole; the first abutting end is clamped in the first limiting groove, and the second abutting end is clamped in the second limiting groove.

Optionally, the fastening block comprises a rotating shaft and a fastening plate rotatably connected with the rotating shaft; the rotating shaft is sleeved with a second torsion spring used for resetting the buckling plate, the second torsion spring comprises a third abutting end and a fourth abutting end, the third abutting end is fixedly arranged on the buckling plate, and the fourth abutting end is fixedly arranged on the rotating part.

Optionally, a third limiting groove is formed in the rotating shaft corresponding to the third abutting end, and a fourth limiting groove is formed in the top of the rotating portion corresponding to the fourth abutting end; the third abutting end is clamped in the fourth limiting groove, and the fourth abutting end is clamped in the third limiting groove.

Optionally, one end of the rotating part, which is close to the protection plate, is provided with two fixing parts which are arranged separately; the two fixing parts are correspondingly provided with mounting holes for mounting the rotating shaft.

Optionally, the protection plate is provided with an accommodating cavity for accommodating the buckling block.

Optionally, the clamping groove is a T-shaped groove, and the clamping block is arranged as a T-shaped block corresponding to the T-shaped groove; the width A of the notch of the T-shaped groove is larger than the width B of the side surface of the T-shaped block.

Optionally, the protection plate is symmetrically provided with two groups of heat dissipation air ports, and the heat dissipation air ports comprise heat dissipation through holes arranged in an array.

Optionally, a filter screen assembly is arranged on the inner side of the protection plate corresponding to the position of the heat dissipation air opening; the filter screen assembly comprises two first sliding grooves arranged on two opposite sides of the heat dissipation air opening, two second sliding grooves in sliding connection with the first sliding grooves, a filter screen arranged between the two second sliding grooves, and a spring arranged between the first sliding grooves and the second sliding grooves.

Optionally, a control button, a display screen and a USB interface are arranged on the control side of the housing; handles are respectively arranged on the two opposite side faces of the shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

under normal conditions, the limiting block penetrates through the protection plate, the clamping block is clamped in the clamping groove of the shell, and the clamping block is located on the outer side of the protection plate and used for clamping the protection plate. When the protection plate is disassembled, the limiting block is rotated until the narrow surface of the clamping block is aligned with the notch of the clamping groove, and the protection plate and the limiting block can be separated from the shell together; when the protection plate is installed, the limiting block is rotated to the position, where the narrow face of the clamping block is aligned with the notch of the clamping groove, and the limiting block is inserted into the clamping groove and loosened, and at the moment, the elastic deformation of the elastic piece generated by the rotation of the limiting block is recovered, so that the clamping block rotates in the clamping groove and is clamped. The utility model discloses do not need the use of tools can accomplish the protection plate dismouting process, avoided the instrument of seeking, the step of screwing or loosening the bolt, subtract the short test preparation time, improved withstand voltage testing arrangement's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

Fig. 1 is a schematic structural diagram of a protection plate of a withstand voltage testing apparatus according to an embodiment of the present invention fastened to a housing.

Fig. 2 is the embodiment of the utility model provides a structural schematic diagram of stopper of withstand voltage testing arrangement.

Fig. 3 is the embodiment of the utility model provides a structural schematic diagram of another side of stopper of withstand voltage testing arrangement.

Fig. 4 is a schematic structural view of a fastening groove on a housing of a withstand voltage testing apparatus according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a protection plate of the withstand voltage testing apparatus according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an operation side of a withstand voltage testing apparatus according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of the embodiment of the present invention, which provides a structure of the withstand voltage testing apparatus with a protection plate.

Fig. 8 is an enlarged schematic view of a fastening protection plate of the withstand voltage testing apparatus according to the embodiment of the present invention shown in fig. 7.

Fig. 9 is a schematic diagram of a side structure of a filter screen assembly of a withstand voltage testing apparatus according to an embodiment of the present invention.

Fig. 10 is a schematic view of another side of a filter screen assembly of a withstand voltage testing apparatus according to an embodiment of the present invention.

Illustration of the drawings: the portable electronic device comprises a shell 1, a clamping groove 11, a protection plate 2, a through hole 21, an accommodating cavity 22, a second limiting groove 211, a limiting block 3, a clamping block 31, a buckling block 32, a rotating shaft 321, a third limiting groove 3211, a fourth limiting groove 3212, a buckling plate 322, a rotating part 33, a fixing part 332, a mounting hole 333, a first limiting groove 331, an elastic element 4, a first abutting end 41, a second abutting end 42, a second torsion spring 5, a third abutting end 51, a fourth abutting end 52, a heat dissipation air port 6, a filter screen assembly 60, a first sliding groove 61, a second sliding groove 62, a filter screen 63, a spring 64, a heat dissipation through hole 65, a control button 71, a display screen 72, a USB interface 73 and a handle 74.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1-10, an embodiment of the present invention provides a withstand voltage testing apparatus, which includes a housing 1, a protection plate 2, a stopper 3, and an elastic member 4 for resetting the stopper 3.

Inside the housing 1 is a test chamber for providing a test site for a test product.

The protection plate 2 is used for sealing the test cavity after the test product is put into the shell 1, and mainly provides a protection function.

The stopper 3 is inserted into the fender 2, and has an engaging block 31 at one end thereof corresponding to the engaging groove 11 of the housing 1, and a locking block 32 at the other end thereof for locking the fender 2, and a cylindrical rotating portion 33 is formed between the engaging block 31 and the locking block 32.

The protective plate 2 is provided with a through hole 21, the limiting block 3 is arranged in the through hole 21 in a penetrating way, and the rotating part 33 is arranged in the through hole 21; the housing 1 is correspondingly provided with an engaging groove 11 for accommodating the engaging block 31, and the notch width a of the engaging groove 11 is not smaller than the side width B of the engaging block 31. The engaging block 31 can be inserted into the engaging groove 11 through the notch by rotating to the narrow face. After the engaging block 31 is inserted into the engaging groove 11, the engaging block 31 can be locked in the engaging groove 11 by rotating 90 ° to prevent the engaging block 31 from falling out. Because the other end of the stopper 3 is provided with the fastening block 32 larger than the through hole 21, the fastening block 31 is fastened in the fastening groove 11, and the protection plate is fastened on the housing 1.

Optionally, the engaging groove 11 is a T-shaped groove, and the engaging block 31 is a T-shaped block corresponding to the T-shaped groove; the engaging piece 31 of the T-shaped block is as wide as the rotating part 33 in a side view, and is easily inserted into the notch of the T-shaped groove.

The elastic member 4 includes a first abutting end 41 and a second abutting end 42, the first abutting end 41 is fixedly disposed on the limiting block 3, and the second abutting end 42 is fixedly disposed on the protection plate 2. In this embodiment, the elastic element 4 is a bidirectional torsion spring, the first abutting end 41 is an outer pin of the torsion spring, and the second abutting end 42 is a protrusion disposed in the middle of the torsion spring. Further, the elastic member may be provided as a leaf spring, a flat coil spring, a spiral coil spring, or the like.

The stopper 3 includes a rotation portion 33 inserted into the through hole 21, and the elastic member 4 is a torsion spring sleeved on the rotation portion 33.

When the elastic element 4 is in the untwisted state, the first abutting end 41 is clamped in the first limiting groove 331, and the second abutting end 42 is clamped in the second limiting groove 211 in the through hole 21. At this time, the long side surface of the engaging block 31 is perpendicular to the long side of the notch of the engaging groove 11, and the engaging block 31 is engaged in the engaging groove 11.

In addition, the fastening block 32 includes a rotating shaft 321 and a fastening plate 322 rotatably connected to the rotating shaft 321; the rotating shaft 321 is sleeved with a second torsion spring 5 for resetting the buckling plate 322, the second torsion spring 5 includes a third abutting end 51 and a fourth abutting end 52, the third abutting end 51 is fixedly disposed on the buckling plate 322, and the fourth abutting end 52 is fixedly disposed on the rotating portion 33. In this embodiment, the third abutting end 51 is an outer side pin of the second torsion spring 5, and the fourth abutting end 42 is a gate-shaped protrusion disposed in the middle of the second torsion spring. Specifically, when the third abutting end 51 of the second torsion spring 5 is fixedly disposed on the buckling plate 322 and the fourth abutting end 52 is fixedly disposed on the rotating portion 33, the second torsion spring 5 itself still has a certain elastic deformation, so that the buckling plate 322 still has a tendency of rotating toward the housing. The torsion preset by the second torsion spring 5 presses the protection plate on the housing 1 through the buckling plate 322.

A third limiting groove 3211 is formed in the rotating shaft 321 corresponding to the third abutting end 51, and a fourth limiting groove 3212 is formed in the top of the rotating portion 33 corresponding to the fourth abutting end 52; the third abutting end 51 is clamped in the fourth limiting groove 3212, and the fourth abutting end 52 is clamped in the third limiting groove 3211.

One end of the rotating part 33 close to the protection plate 2 is provided with two fixing parts 332 which are arranged separately; the fixing portions 332 are provided with mounting holes 333 for mounting the rotary shaft 321.

The protection plate 2 is provided with a containing cavity 22 for containing the buckling block 32. When the buckling block 32 is contained in the containing cavity, no obvious bulge is formed on the protection plate 2, and the whole device is attractive. Specifically, the freely rotatable section of the fastening plate 322 can rotate 90 degrees in the direction away from the protection plate 2, so that the worker can conveniently hold and rotate to adjust the fastening position of the fastening block 31 in the fastening groove 11.

The protection plate 2 is symmetrically provided with two groups of heat dissipation air ports 6, and the heat dissipation air ports 6 comprise heat dissipation through holes 65 arranged in an array.

A filter screen assembly 60 is arranged at the position, corresponding to the heat dissipation air port 6, on the inner side of the protection plate 2; the filter screen assembly 60 includes two first chutes 61 disposed at two opposite sides of the heat-dissipating air opening 6, two second chutes 62 slidably connected to the first chutes 61, a filter screen 63 disposed between the two second chutes 62, and a spring 64 disposed between the first chute 61 and the second chute 62.

The control side of the housing 1 is provided with a control button 71, a display screen 72 and a USB interface 73; handles 74 are also provided on opposite sides of the housing 1, respectively.

Specifically, the procedure for dismantling the protection panel 2 is as follows:

firstly, as shown in fig. 8, the buckling block 32 is rotated anticlockwise, and the rotation angle is 90 degrees; at this time, the side face with the width B of the clamping block 31 is aligned with the notch of the clamping groove 11;

and secondly, directly taking down the protection plate 2 and the limiting block from the shell 1 together to finish the disassembly.

Specifically, the procedure for installing the shielding plate 2 is as follows:

firstly, as shown in fig. 8, the buckling block 32 is rotated anticlockwise;

secondly, the clamping block 31 extends into the clamping groove 11 from the notch of the closing groove 11, and when the hand is loosened, the first torsion spring elastically deforms due to counterclockwise rotation and automatically rotates the clamping block 31 to the clamping position, so that the installation is completed.

The utility model discloses do not need the use of tools can accomplish the protection plate dismouting process, avoided the instrument of seeking, the step of screwing or loosening the bolt, subtract the short test preparation time, improved withstand voltage testing arrangement's work efficiency.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A withstand voltage testing device comprises a shell (1) and a protection plate (2); the device is characterized by comprising a limiting block (3) and an elastic piece (4) for resetting the limiting block (3);

the protection plate (2) is provided with a through hole (21), and the limiting block (3) penetrates through the through hole (21); one end of the limiting block (3) penetrating through the protection plate (2) is provided with a clamping block (31), and the other end of the limiting block (3) is provided with a buckling block (32) used for buckling the protection plate;

the elastic piece (4) comprises a first abutting end (41) and a second abutting end (42), the first abutting end (41) is fixedly arranged on the limiting block (3), and the second abutting end (42) is fixedly arranged on the protection plate (2);

the shell (1) is correspondingly provided with a clamping groove (11) for accommodating the clamping block (31), and the width A of the notch of the clamping groove (11) is not less than the side width B of the clamping block (31).

2. The withstand voltage testing device according to claim 1, wherein the stopper (3) comprises a rotating portion (33) inserted into the through hole (21), the elastic member (4) is a first torsion spring, and the first torsion spring is sleeved on the rotating portion (33); a first limiting groove (331) is formed in the rotating part (33), and a second limiting groove (211) is formed in the through hole (21); the first abutting end (41) is clamped in the first limiting groove (331), and the second abutting end (42) is clamped in the second limiting groove (211).

3. The withstand voltage testing device of claim 2, wherein the buckling block (32) comprises a rotating shaft (321) and a buckling plate (322) rotatably connected to the rotating shaft (321); the rotating shaft (321) is sleeved with a second torsion spring (5) used for resetting the buckling plate (322), the second torsion spring (5) comprises a third abutting end (51) and a fourth abutting end (52), the third abutting end (51) is fixedly arranged on the buckling plate (322), and the fourth abutting end (52) is fixedly arranged on the rotating part (33).

4. The withstand voltage testing device according to claim 3, wherein a third limiting groove (3211) is formed in the rotating shaft (321) corresponding to the third abutting end (51), and a fourth limiting groove (3212) is formed in the top of the rotating portion (33) corresponding to the fourth abutting end (52); the third abutting end (51) is clamped in the third limiting groove (3211), and the fourth abutting end (52) is clamped in the fourth limiting groove (3212).

5. The withstand voltage testing device of claim 3, wherein one end of the rotating portion (33) close to the protection plate (2) is provided with two fixed portions (332) arranged separately; the two fixing parts (332) are correspondingly provided with mounting holes (333) for mounting the rotating shaft (321).

6. The withstand voltage testing device of claim 3, wherein the protection plate (2) is provided with a receiving cavity (22) for receiving the buckling block (32).

7. The withstand voltage testing device according to claim 1, wherein the engaging groove (11) is a T-shaped groove, and the engaging block (31) is arranged as a T-shaped block corresponding to the T-shaped groove; the width A of the notch of the T-shaped groove is larger than the width B of the side surface of the T-shaped block.

8. The withstand voltage testing device of claim 1, wherein the protection plate (2) is symmetrically provided with two groups of heat dissipation air openings (6), and the heat dissipation air openings (6) comprise heat dissipation through holes (65) arranged in an array.

9. The withstand voltage testing device of claim 8, characterized in that a filter screen assembly (60) is arranged on the inner side of the protection plate (2) corresponding to the position of the heat dissipation air opening (6); the filter screen assembly (60) comprises two first sliding grooves (61) arranged on two opposite sides of the heat dissipation air opening (6), two second sliding grooves (62) in sliding connection with the first sliding grooves (61), a filter screen (63) arranged between the second sliding grooves (62), and a spring (64) arranged between the first sliding grooves (61) and the second sliding grooves (62).

10. The withstand voltage testing device according to claim 8, characterized in that the control side of the housing (1) is provided with a control button (71), a display screen (72), and a USB interface (73); the two opposite side surfaces of the shell (1) are respectively provided with a handle (74).